CN217939026U - Hydraulic drive formula resistance adjusting device and spinning - Google Patents
Hydraulic drive formula resistance adjusting device and spinning Download PDFInfo
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- CN217939026U CN217939026U CN202221624092.7U CN202221624092U CN217939026U CN 217939026 U CN217939026 U CN 217939026U CN 202221624092 U CN202221624092 U CN 202221624092U CN 217939026 U CN217939026 U CN 217939026U
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Abstract
The utility model provides a hydraulic drive type resistance adjusting device and a spinning, relating to the technical field of machinery; the flywheel comprises a magnetic base and an adjusting component for adjusting the movable position of the magnetic base to increase or decrease the resistance of the flywheel; the adjusting component comprises a front hydraulic cylinder, an oil pipe, a rear hydraulic cylinder and a driving unit, wherein two ends of the oil pipe are respectively connected with the front hydraulic cylinder and the rear hydraulic cylinder to transmit hydraulic pressure, a rear cylinder piston of the rear hydraulic cylinder is connected with the magnetic base through a fixing rod, and the driving unit is used for driving the front cylinder piston of the front hydraulic cylinder to move so as to hydraulically drive the rear cylinder piston to enable the fixing rod to adjust the movable position of the magnetic base relative to the flywheel; the front hydraulic cylinder and the rear hydraulic cylinder transmit hydraulic pressure through the oil pipe, so that the front hydraulic cylinder and the driving unit can be arranged at any position of the spinning bike, and the design space is improved.
Description
Technical Field
The utility model relates to the technical field of machinery, particularly, relate to a hydraulic drive formula resistance adjustment device and spinning.
Background
The existing sports health is emphasized by people, sports equipment such as spinning, riding machines and the like is popular in the market, the resistance adjusting mechanism is a common structure in the sports equipment, and the resistance adjusting mechanism is arranged to provide adjustable sports counter force so as to adapt to different requirements of different people on the sports intensity.
Spinning on the market adopts magnetic force to provide the resistance of flywheel mostly, changes the resistance size through the relative position of adjustment magnetic field and flywheel to adapt to different exercise purposes. The position adjusting device of the spinning device mainly adopts a link mechanism, a linear motor and the like to realize the movement purpose, although the movement purpose can be achieved, due to the structural limitation, the existing resistance adjusting device has a large volume, and all parts are gathered together, so that the arrangement position of the existing resistance adjusting device on the spinning is limited, and the design and the manufacture of the spinning are limited.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a hydraulic drive type resistance adjustment device and a spinning bike, so as to solve the above problems.
The utility model adopts the following scheme:
the application provides a hydraulic drive formula resistance adjustment device, includes the magnetic base, and adjusts the adjusting member of magnetic base active position in order to increase or reduce flywheel resistance.
The adjusting component comprises a front hydraulic cylinder, an oil pipe, a rear hydraulic cylinder and a driving unit, wherein two ends of the oil pipe are respectively connected with the front hydraulic cylinder and the rear hydraulic cylinder to transmit hydraulic pressure, a rear cylinder piston of the rear hydraulic cylinder is connected with the magnetic base through a fixing rod, and the driving unit is used for driving the front cylinder piston of the front hydraulic cylinder to move, so that the rear cylinder piston is hydraulically driven to enable the fixing rod to adjust the movable position of the magnetic base relative to the flywheel.
As a further improvement, the driving unit comprises a motor and a screw rod transmission assembly, the screw rod transmission assembly is respectively connected with the motor and the front cylinder piston, and the screw rod transmission assembly is used for converting the rotary motion of the motor output shaft into the linear motion of the front cylinder piston in the front hydraulic cylinder.
As a further improvement, the screw rod transmission assembly comprises a screw rod and a coupler, one end of the screw rod is connected with an output shaft of the motor through the coupler, the other end of the screw rod extends into the preposed hydraulic cylinder, and a preposed cylinder piston is provided with a screw rod nut structure to be in transmission fit with the screw rod in the preposed hydraulic cylinder.
As a further improvement, the inner diameter of the front hydraulic cylinder is smaller than that of the rear hydraulic cylinder.
As a further improvement, the spinning device further comprises a fixed seat used for fixing a body close to the flywheel and arranged on the spinning bicycle, the rear hydraulic cylinder is fixedly connected with the fixed seat, the magnetic seat is provided with a first hinge part extending transversely, the first hinge part is rotatably connected with the fixed seat, and the fixed rod is rotatably connected with a second hinge part on one side of the magnetic seat far away from the flywheel, so that when a piston of the rear cylinder is driven to do linear motion under hydraulic drive, the magnetic seat is driven to rotate relative to the fixed seat to be close to or far away from the flywheel.
As a further improvement, the oil pipe is a flexible pipeline, so that the preposed hydraulic cylinder and the driving unit can be flexibly arranged at any position of the spinning.
As a further improvement, the fixed rod is rotatably connected with the second hinge part through a universal joint.
As a further improvement, the oil pipe is detachably connected with the front hydraulic cylinder and the rear hydraulic cylinder respectively.
The application also provides a spinning, including spinning body and as above hydraulic drive formula resistance adjustment device, the configuration of hydraulic drive formula resistance adjustment device is in on spinning's the automobile body.
As a further improvement, the hydraulically driven resistance adjusting device comprises a fixed seat fixedly arranged on the vehicle body and close to the flywheel, a rear hydraulic cylinder is fixedly connected with the fixed seat, a magnetic seat is rotatably connected with the fixed seat, and a fixed rod is rotatably connected with the magnetic seat; the front hydraulic cylinder and the driving unit are arranged on a base or a frame of the vehicle body.
By adopting the above technical scheme, the utility model discloses can gain following technological effect:
the position of the magnetic base is controlled through hydraulic oil, the adjusting speed is high, and no noise is generated; hydraulic pressure is transmitted between the front hydraulic cylinder and the rear hydraulic cylinder through an oil pipe, so that the front hydraulic cylinder and the driving unit can be arranged at any position of the spinning; the arrangement that the whole regulating member is too thick and swollen is avoided being arranged near the flywheel, the whole layout of the spinning is influenced, and the space for design improvement is limited.
Further features of the invention will become apparent from the following description of exemplary embodiments (with reference to the attached drawings).
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a hydraulic drive type resistance adjusting device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of the front cylinder piston of FIG. 1;
FIG. 3 is a schematic diagram of the structure of the rear cylinder piston of FIG. 1;
FIG. 4 is a schematic view of the magnetic base of FIG. 1;
FIG. 5 is a schematic structural view of the gimbal of FIG. 1;
fig. 6 is a schematic diagram of a minimum magnetic resistance form of a hydraulic drive resistance adjustment device according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a maximum magnetic resistance form of a hydraulic drive type resistance adjustment device according to an embodiment of the present invention.
Icon: 1-motor, 2-coupler, 3-lead screw, 4-preposed hydraulic cylinder, 5-oil pipe, 6-postposition hydraulic cylinder, 7-side baffle, 8-pivot bolt, 9-fixing seat, 10-magnetic seat, 11-first hinging part, 12-second hinging part, 13-preposed cylinder piston, 14-postposition cylinder piston, 15-fixing rod, 16-hinging shaft, 18-spring, 19-flywheel and 20-universal joint.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
With reference to fig. 1 to 7, the present embodiment provides a hydraulic drive type resistance adjustment device, which includes a magnetic base 10, and an adjustment member for adjusting the movable position of the magnetic base 10 to increase or decrease the resistance of a flywheel 19.
The adjusting member comprises a front hydraulic cylinder 4, an oil pipe 5, a rear hydraulic cylinder 6 and a driving unit, wherein two ends of the oil pipe 5 are respectively connected with the front hydraulic cylinder 4 and the rear hydraulic cylinder 6 so as to transmit hydraulic pressure, and therefore the relative position relation of the front hydraulic cylinder 4 and the rear hydraulic cylinder 6 can be flexibly set, and only the oil pipe is required to correspondingly communicate the hydraulic oil cavity of the front hydraulic cylinder 4 and the hydraulic oil cavity of the rear hydraulic cylinder 6.
The rear cylinder piston 14 of the rear hydraulic cylinder 6 is connected with the magnetic base 10 through a fixing rod 15, and the driving unit is used for driving the front cylinder piston 13 of the front hydraulic cylinder 4 to move, so that the liquid pressure in the hydraulic oil cavity of the front hydraulic cylinder 4 is transmitted to the hydraulic oil cavity of the rear hydraulic cylinder 6 through the oil pipe 5; and then the piston 14 of the rear cylinder is driven to do linear motion on the rear hydraulic cylinder 6, so that the fixed rod 15 of the piston 14 of the rear cylinder adjusts the movable position of the magnetic base relative to the flywheel.
This application is through hydraulic oil control magnetic force seat position, has the advantage that the motion inertia is little, reaction rate is fast, and noiseless. The magnetic force of the magnetic base 10 provides the resistance of the flywheel 19, and the non-contact resistance adding mode can avoid abrasion.
Hydraulic pressure is transmitted between the front hydraulic cylinder 4 and the rear hydraulic cylinder 6 through the oil pipe 5, so that the front hydraulic cylinder 4 and the driving unit can be arranged at any position of the spinning; the arrangement of the whole adjusting component which is too bulky near the flywheel 19 is avoided, the overall layout of the spinning is influenced, and the space for design improvement is limited.
The driving unit can directly drive the front cylinder piston 13 to make linear motion in the front hydraulic cylinder 4 by adopting a linear air cylinder, and can also drive the front cylinder piston 13 to make linear motion in the front hydraulic cylinder 4 by adopting a slider-crank mechanism.
In this embodiment, the driving unit includes a motor 1 and a screw transmission assembly, the screw transmission assembly is respectively connected to the motor 1 and the front cylinder piston 13, and the screw transmission assembly is used for converting the rotation motion of the output shaft of the motor 1 into the linear motion of the front cylinder piston 13 in the front hydraulic cylinder 4. The driving unit of the scheme drives and adjusts through the motor, is convenient to operate and control, and can realize stepless speed regulation.
The screw rod transmission assembly can adopt a structural design that a screw rod nut is arranged on the outer side of the screw rod, the screw rod nut makes linear motion in the protective cylinder, a piston rod is arranged at the top of the screw rod nut, and the piston rod is connected with the rear cylinder piston 13.
In this embodiment, for further simplifying the structure, the screw drive assembly includes a screw rod 3 and a coupler 2, one end of the screw rod 3 is connected with the output shaft of the motor 1 through the coupler 2, the other end of the screw rod 3 extends into the front hydraulic cylinder 4, and the front cylinder piston 13 has a screw rod nut structure so as to be matched with the screw rod 3 in the front hydraulic cylinder 4 in a screw drive manner. Wherein the front cylinder piston 13 has a sealing property to prevent the hydraulic oil in the hydraulic oil chamber of the front hydraulic cylinder 4 from leaking into the other side cavity. Furthermore, the front cylinder piston 13 adopts a ball screw nut structure, so that the sealing performance is good, and the transmission performance is excellent.
Further, the cylinder inner diameter of the front hydraulic cylinder 4 is smaller than that of the rear hydraulic cylinder 6. The force amplification is realized through the difference of the acting surfaces of the front hydraulic cylinder and the rear hydraulic cylinder, and a motor with smaller power can be selected when the motor is selected. The preferable range of the ratio of the cylinder inner diameter of the front hydraulic cylinder 4 to the cylinder inner diameter of the rear hydraulic cylinder 6 is 1:2-4, and the ratio of the cylinder inner diameter of the front hydraulic cylinder 4 to the cylinder inner diameter of the rear hydraulic cylinder 6 is 1.
In this embodiment, the oil pipe 5 is a flexible pipe, so that the front hydraulic cylinder 4 and the driving unit can be flexibly installed at any position of the spinning.
For adapting to different spinning installations, the oil pipe 5 can prepare a plurality of models with different lengths, and the oil pipe 5 is detachably connected with the front hydraulic cylinder 4 and the rear hydraulic cylinder 6 respectively, so that the replacement is convenient.
The resistance adjusting device further comprises a fixed seat 9 which is fixedly arranged on the spinning bicycle and close to a body of the flywheel 19, the rear hydraulic cylinder 6 is fixedly connected with the fixed seat 9, the two are directly connected in various modes, the two modes can be directly connected, can also be connected through the side baffle 7, can also be directly connected and also fixedly connected through the side baffle 7, or are fixedly connected in other modes.
The magnetic base 10 has a first hinge portion 11 extending transversely, the first hinge portion 11 is rotatably connected to the fixing base 9, please refer to fig. 1, 2 and 3, in this embodiment, the first hinge portion 11 is rotatably connected to the fixing base 9 through a pivot bolt 8.
The fixed rod 15 is rotatably connected with the second hinge portion 12 on the side of the magnetic base 10 far away from the flywheel 19, so that when the rear cylinder piston 14 is driven by hydraulic pressure to perform linear motion, the magnetic base 10 is driven to rotate relative to the fixed base 9 to approach or separate from the flywheel 19, and the resistance of the flywheel 19 is increased or reduced.
Referring to fig. 4, 6 and 7, in the present embodiment, the bottom of the magnetic base 10 has an opposite plate structure allowing the flywheel to be at least partially rotatably received therein, and during the flywheel resistance adjustment process, the two opposite plates of the magnetic base 10 move toward the flywheel under the driving of the fixing rod 15 of the rear cylinder piston 14, and allow the flywheel to be received in the receiving space therein, so that the flywheel reacts with the magnetic field, and as the receiving areas of the two parts increase, the resistance provided to the flywheel also increases, and vice versa.
Further, in the present embodiment, the fixing rod 15 is rotatably connected to the second hinge portion 12 through a universal joint 16, specifically, referring to fig. 4 and 5, a hinge shaft 16 is transversely disposed at the end of the fixing rod 15, the hinge shaft 16 passes through holes of two side plates of the universal joint 16, and a tubular through hole at the lower portion of the universal joint 16 is connected to the through hole of the second hinge portion 12 through a bolt. In the present embodiment, the fixing rod 15 is integrally formed with the rear cylinder piston 14.
In this embodiment, the hydraulic oil chamber of the rear hydraulic cylinder 6 is located at the upper portion, and in order to enhance the upward movement resistance of the rear cylinder piston 14, a spring 18 is disposed at the lower portion of the rear hydraulic cylinder 6, one end of the spring 18 abuts against the lower surface of the rear cylinder piston 14, and the other end abuts against the bottom of the rear hydraulic cylinder 6, so that the impact of gravity can be exerted, and the driving of the hydraulic driving system is more accurate and effective.
The application also provides a spinning, including spinning body and as above hydraulic drive formula resistance adjustment device, hydraulic drive formula resistance adjustment device configuration is in on the spinning's the automobile body.
In this embodiment, the hydraulically driven resistance adjustment device includes a fixed seat 9 fixedly disposed on the vehicle body near the flywheel 19, the rear hydraulic cylinder 4 is fixedly connected to the fixed seat 9, the magnetic seat 10 is rotatably connected to the fixed seat 9, and the fixed rod 15 of the rear cylinder piston 14 is rotatably connected to the magnetic seat 10; the front hydraulic cylinder 4 and the driving unit are mounted on the base or the frame of the vehicle body.
Above only the utility model discloses a preferred embodiment, the utility model discloses a scope not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope.
Claims (10)
1. A hydraulic drive type resistance adjusting device comprises a magnetic base and an adjusting component for adjusting the movable position of the magnetic base to increase or decrease the resistance of a flywheel;
the flywheel adjusting mechanism is characterized in that the adjusting component comprises a front hydraulic cylinder, an oil pipe, a rear hydraulic cylinder and a driving unit, two ends of the oil pipe are respectively connected with the front hydraulic cylinder and the rear hydraulic cylinder to transmit hydraulic pressure, a rear cylinder piston of the rear hydraulic cylinder is connected with the magnetic base through a fixing rod, and the driving unit is used for driving the front cylinder piston of the front hydraulic cylinder to move, so that the rear cylinder piston is hydraulically driven to enable the fixing rod to adjust the movable position of the magnetic base relative to the flywheel.
2. The hydraulically driven resistance adjustment device of claim 1, wherein the drive unit comprises a motor and a lead screw transmission assembly, the lead screw transmission assembly is connected with the motor and the front cylinder piston respectively, and the lead screw transmission assembly is used for converting the rotary motion of the motor output shaft into the linear motion of the front cylinder piston in the front hydraulic cylinder.
3. The hydraulically driven resistance adjustment device of claim 2, wherein the lead screw transmission assembly comprises a lead screw and a coupler, one end of the lead screw is connected with the output shaft of the motor through the coupler, the other end of the lead screw extends into the front hydraulic cylinder, and the front cylinder piston has a lead screw nut structure to be in transmission fit with the lead screw in the front hydraulic cylinder.
4. The hydraulically driven resistance adjustment device of claim 3, wherein the forward hydraulic cylinder has a smaller cylinder bore than the rearward hydraulic cylinder.
5. The hydraulically driven resistance adjustment device of claim 1, further comprising a fixing base for fixing a body of the spinning bike close to the flywheel, wherein the rear hydraulic cylinder is fixedly connected to the fixing base, the magnetic base has a first hinge portion extending in a transverse direction, the first hinge portion is rotatably connected to the fixing base, and the fixing rod is rotatably connected to a second hinge portion of the magnetic base on a side away from the flywheel, so that when the piston of the rear cylinder is driven by hydraulic pressure to move linearly, the magnetic base is driven to rotate relative to the fixing base to move closer to or away from the flywheel.
6. The hydraulically driven resistance adjustment device of claim 5, wherein the oil pipe is a flexible pipe, so that the front hydraulic cylinder and the driving unit can be flexibly installed at any position of the spinning.
7. The hydraulically driven resistance adjustment device of claim 5, wherein the fixed rod is rotatably connected to the second hinge by a universal joint.
8. The hydraulically driven resistance adjustment device of claim 1, wherein the oil conduit is removably connected to the front hydraulic cylinder and the rear hydraulic cylinder, respectively.
9. A spinning, comprising a spinning body and a hydraulically driven resistance adjustment device of any one of claims 1 to 8, the hydraulically driven resistance adjustment device being disposed on the spinning body.
10. The spinning according to claim 9 wherein the hydraulically driven resistance adjustment device comprises a fixed base fixedly disposed on the body near the flywheel, a rear hydraulic cylinder is fixedly connected to the fixed base, a magnetic base is rotatably connected to the fixed base, and a fixed rod is rotatably connected to the magnetic base; the front hydraulic cylinder and the driving unit are arranged on a base or a frame of the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221624092.7U CN217939026U (en) | 2022-06-27 | 2022-06-27 | Hydraulic drive formula resistance adjusting device and spinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221624092.7U CN217939026U (en) | 2022-06-27 | 2022-06-27 | Hydraulic drive formula resistance adjusting device and spinning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217939026U true CN217939026U (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221624092.7U Active CN217939026U (en) | 2022-06-27 | 2022-06-27 | Hydraulic drive formula resistance adjusting device and spinning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217939026U (en) |
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2022
- 2022-06-27 CN CN202221624092.7U patent/CN217939026U/en active Active
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